Chromatic dispersion dependence of GAWBS phase noise compensation with pilot tone

Kozo Sato; Takashi Kan; Masato Yoshida; Keisuke Kasai; Toshihiko Hirooka; Masataka Nakazawa

doi:10.1364/OE.418891

Chromatic dispersion dependence of GAWBS phase noise compensation with pilot tone

Kozo Sato, Takashi Kan, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa

Tohoku University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We describe experimental and numerical results regarding the influence of chromatic dispersion in optical fibers on guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation with a pilot tone (PT). We compared the compensation performance for GAWBS phase noise generated in an ultra-large-area fiber (ULAF) where D_ULAF = 21 ps/nm/km with that in a dispersion-shifted fiber (DSF) where D_DSF = -1.3 ps/nm/km and found that the performance depends strongly on chromatic dispersion. The numerical analysis shows that the group delay between the signal and PT caused by chromatic dispersion reduces the GAWBS noise correlation between them, which degrades the compensation performance for GAWBS phase noise. It is clarified that a condition for effective GAWBS compensation is that the group delay between the signal and PT should be less than half the period of the GAWBS phase noise component.

Original language	English
Pages (from-to)	10676-10687
Number of pages	12
Journal	Optics Express
Volume	29
Issue number	7
DOIs	https://doi.org/10.1364/OE.418891
Publication status	Published - 2021 Mar 22

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title = "Chromatic dispersion dependence of GAWBS phase noise compensation with pilot tone",

abstract = "We describe experimental and numerical results regarding the influence of chromatic dispersion in optical fibers on guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation with a pilot tone (PT). We compared the compensation performance for GAWBS phase noise generated in an ultra-large-area fiber (ULAF) where DULAF = 21 ps/nm/km with that in a dispersion-shifted fiber (DSF) where DDSF = -1.3 ps/nm/km and found that the performance depends strongly on chromatic dispersion. The numerical analysis shows that the group delay between the signal and PT caused by chromatic dispersion reduces the GAWBS noise correlation between them, which degrades the compensation performance for GAWBS phase noise. It is clarified that a condition for effective GAWBS compensation is that the group delay between the signal and PT should be less than half the period of the GAWBS phase noise component.",

author = "Kozo Sato and Takashi Kan and Masato Yoshida and Keisuke Kasai and Toshihiko Hirooka and Masataka Nakazawa",

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T1 - Chromatic dispersion dependence of GAWBS phase noise compensation with pilot tone

AU - Sato, Kozo

AU - Kan, Takashi

AU - Yoshida, Masato

AU - Kasai, Keisuke

AU - Hirooka, Toshihiko

AU - Nakazawa, Masataka

N1 - Funding Information: Funding. Ministry of Internal Affairs and Communications (JPMI00316). Publisher Copyright: © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

PY - 2021/3/22

Y1 - 2021/3/22

N2 - We describe experimental and numerical results regarding the influence of chromatic dispersion in optical fibers on guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation with a pilot tone (PT). We compared the compensation performance for GAWBS phase noise generated in an ultra-large-area fiber (ULAF) where DULAF = 21 ps/nm/km with that in a dispersion-shifted fiber (DSF) where DDSF = -1.3 ps/nm/km and found that the performance depends strongly on chromatic dispersion. The numerical analysis shows that the group delay between the signal and PT caused by chromatic dispersion reduces the GAWBS noise correlation between them, which degrades the compensation performance for GAWBS phase noise. It is clarified that a condition for effective GAWBS compensation is that the group delay between the signal and PT should be less than half the period of the GAWBS phase noise component.

AB - We describe experimental and numerical results regarding the influence of chromatic dispersion in optical fibers on guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation with a pilot tone (PT). We compared the compensation performance for GAWBS phase noise generated in an ultra-large-area fiber (ULAF) where DULAF = 21 ps/nm/km with that in a dispersion-shifted fiber (DSF) where DDSF = -1.3 ps/nm/km and found that the performance depends strongly on chromatic dispersion. The numerical analysis shows that the group delay between the signal and PT caused by chromatic dispersion reduces the GAWBS noise correlation between them, which degrades the compensation performance for GAWBS phase noise. It is clarified that a condition for effective GAWBS compensation is that the group delay between the signal and PT should be less than half the period of the GAWBS phase noise component.

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Chromatic dispersion dependence of GAWBS phase noise compensation with pilot tone

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